diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h index 8b1a7d9c840..598eba9baa3 100644 --- a/drivers/s390/scsi/zfcp_fsf.h +++ b/drivers/s390/scsi/zfcp_fsf.h @@ -22,6 +22,8 @@ #ifndef FSF_H #define FSF_H +#include <linux/pfn.h> + #define FSF_QTCB_CURRENT_VERSION 0x00000001 /* FSF commands */ @@ -258,6 +260,16 @@ #define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000 #define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000 +/* FSF interface for CFDC */ +#define ZFCP_CFDC_MAX_SIZE 127 * 1024 +#define ZFCP_CFDC_PAGES PFN_UP(ZFCP_CFDC_MAX_SIZE) + +struct zfcp_fsf_cfdc { + struct scatterlist sg[ZFCP_CFDC_PAGES]; + u32 command; + u32 option; +}; + struct fsf_queue_designator { u8 cssid; u8 chpid; |